1966. 4th Impression. 94 pages. No dust jacket. This is an ex-Library book. Blue pictorial boards. Book has been rebound by library, with expected inserts, stamps and inscriptions. Pages are lightly tanned and thumbed at the edges, with light foxing. Binding has remained firm. Boards are a little rub worn, slight shelf wear to corners, spine and edges. Corners are a little bumped. Spine ends are mildly crushed. Light tanning to spine and edges. Boards are slightly bowed. Slight forward lean to text block.